flask get,post访问方式
from flask import * ''' 服务器用flask中的request对象的args来存储GET的参数,用get方法 来获取参数,即用flask.request.args.get(参数)来获取参数的值 ''' app=Flask(__name__) @app.route('/') def index(): try: name=request.args.get("name") if "name" in request.args.get else "" age=request.args.get("age") if "age" in request.args.get else "" return name+","+age except Exception as err: print(err) if __name__=='__main__': app.run(port=5000,debug=True)
import urllib.parse import urllib.request url="http://127.0.0.1:5000" try: #如果传参有汉字需要使用urllib.prase.quote() name=urllib.parse.quote("XXXX") age=urllib.parse.quote("二十") data="name="+name+"&age="+age html=urllib.request.urlopen("http://127.0.0.1:5000?"+data) html=html.read() html=html.decode() print(html) except Exception as err: print(err)
import urllib.request import urllib.parse url="http://127.0.0.1:5000" name="XXXXXXX" age="21" note="post传值实验。这是我的post传值实验" name=urllib.parse.quote(name) age=urllib.parse.quote(age) note=urllib.parse.quote(note) data="name="+name+"&age="+age+"¬e="+note resp=urllib.request.urlopen(url,data=data.encode()) data=resp.read() html=data.decode() print(html)
from flask import * #服务器端 app=Flask(__name__) @app.route("/",methods=["GET","POST"]) def index(): try: name=request.form.get("name") if "name" in request.form.get else "" age=request.form.get("age") if "age" in request.form.get else "" note=request.form.get("note") if "note" in request.form.get else "" print(name) print(age) print(note) data=name+"\n"+age+"\n"+note return data except Exception as err: print(err) if __name__=='__main__': app.run(port=5000,debug=True)
一个小型的爬虫
import urllib.request import urllib.parse ''' 小型爬虫地址 ''' url="http://127.0.0.1:5000" html=urllib.request.urlopen(url) html=html.read() html=html.decode() print(html)
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>实验</title> </head> <body> <h1>欢迎使用python web flask 框架</h1> <p> 这是我的一个爬虫以及flask框架的测试 </p> </body> </html>
一纸高中万里风,寒窗读破华堂空。
莫道长安花看尽,由来枝叶几相同?